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Added NotImplementedError, subclassed from RuntimeError

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Barry Warsaw 1998-12-01 18:36:30 +00:00
parent d052ff0e57
commit 8fe2a34e1f
1 changed files with 10 additions and 2 deletions
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12
Lib/exceptions.py
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@ -12,9 +12,11 @@ tricky uses of IOError may break, but the most common uses should work.
Here is a rundown of the class hierarchy. You can change this by editing this
file, but it isn't recommended. The class names described here are expected
to be found by the bltinmodule.c file.
to be found by the bltinmodule.c file. If you add classes here, you must
modify bltinmodule.c or the exceptions won't be available in the __builtin__
module, nor will they be accessible from C.
The classes with a `*' are new as of Python 1.5. They are defined as tuples
The classes with a `*' are new since Python 1.5. They are defined as tuples
containing the derived exceptions when string-based exceptions are used. If
you define your own class based exceptions, they should be derived from
Exception.
@ -33,6 +35,9 @@ Exception(*)
|
+-- EOFError
+-- RuntimeError
| |
| +-- NotImplementedError(*)
|
+-- NameError
+-- AttributeError
+-- SyntaxError
@ -130,6 +135,9 @@ class OSError(EnvironmentError):
class RuntimeError(StandardError):
pass
class NotImplementedError(RuntimeError):
pass
class SystemError(StandardError):
pass